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co2
within 25 miles
Jan 1, 2026
9 opportunities found! use fewer search filter criteria to find more opportunities

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

  • Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineair qualityandroidweather datacarbon dioxideair pollution monitoringenvironmental justicecarbon monoxidewinterspringdatabasecitizen scienceglobal warmingsmartphone applicationmobile applicationweathersciencebicyclingclimate changecommunity-based monitoringenvironmentexperimenthikingnatureusaiphoneautumngirl scoutsinvestigationairappstemair pollutionair quality indexclimateequityoutdoorsdatasummerec2020climate monitoringparticulate matter

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymappingtreesecologyecologmapenvironmentuktreegreat britaingreat britian
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